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This emoji 🇸🇩 represents the country of Sudan. It is an identifier used to represent Sudan in scenarios such as international affairs, geography, and cultural exchanges. For example, in international sports events, it is used to represent athletes from Sudan; in exchanges on topics related to Sudan's tourism, trade, etc., this emoji will also be used to refer to the country of Sudan.
When I was introducing African countries, I mentioned Sudan (🇸🇩).
In the geography knowledge competition, I chose the topics related to Sudan (🇸🇩).